PROJECT DESCRIPTION
A landmark highway bridge carrying a 4-lane highway and two footways crossing the Indian ocean on east of Dar es Salaam. Delivered to alleviate the traffic congestion of Ali Hassan Mwinyi road and promote balanced development of regions and improvement of infrastructure by the connecting
northern and Southern areas of Dar es Salaam.

The Tanzanite bridge includes extra dosed cable-stayed bridge and approach bridge with a total length of 1030m, the extradosed cable-stayed bridge span arrangement is 85m +4x125m+85m = 670m.

The main girder is a single box four-chamber prestressed concrete continuous box girder. Each span of main girder is divided into 0 # to 16 # blocks. Blocks 0 ~ 1 # are casted using cast-in-place supports. Segment 2#-16# casted with balanced free cantilever method with form traveller, the key segment casted with hanging scaffold modified from traveller formwork. The start segment and end segment of side pier P4 and P10 adopts steel pipe pile bracket after cast- in-place to conduct side span closure. The key segment construction sequence was carried out from side span to middle span.